Home / 15,017,546,443.09-20,724,236,792.82-8,150,945,534.06

Finding the Fourth Proportional to 15,017,546,443.09, 20,724,236,792.82 and 8,150,945,534.06

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Solution

The fourth proportional to 15,017,546,443.09, 20,724,236,792.82 and 8,150,945,534.06 is: 11,248,317,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,546,443.09 : 20,724,236,792.82 = 8,150,945,534.06 : x
  2. Step 2: Convert to fraction form
    15,017,546,443.09/20,724,236,792.82 = 8,150,945,534.06/x
  3. Step 3: Cross multiply
    15,017,546,443.09x = 20,724,236,792.82 × 8,150,945,534.06
  4. Step 4: Simplify right side
    15,017,546,443.09x = 168,922,125,333,242,249,216
  5. Step 5: Solve for x
    x = 168,922,125,333,242,249,216/15,017,546,443.09
  6. Step 6: Final answer
    x = 11,248,317,158.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.